Firefox is slow or stops working

V angličtine

• Firefox takes a long time to start up
• Firefox hangs or is not responding - How to fix
• How to fix common problems with Firefox OS Developer Preview
• Firefox uses too many CPU resources - How to fix
• Firefox uses too much memory (RAM) - How to fix
• Firefox is slow - How to make it faster
• Firefox does not work - Common fixes to get you back up and running
• Memory constraints, Firefox performance and Firewalls